node-red/nodes/core/logic/16-range.html

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Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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<script type="text/x-red" data-template-name="range">
<div class="form-row">
Re-map input values between<br/>
<input type="text" id="node-input-minin" placeholder="0" style="width:35%;"/>
and
<input type="text" id="node-input-maxin" placeholder="256" style="width:35%;"/>
</div>
<div class="form-row">
to be between<br/>
<input type="text" id="node-input-minout" placeholder="0" style="width:35%;"/>
and
<input type="text" id="node-input-maxout" placeholder="100" style="width:35%;"/>
</div>
<div class="form-row">
and <select id="node-input-action" style="width:90%; margin-right:5px;">
<option value="scale">try to scale if outside this range</option>
<option value="clamp">clamp to max and min values of this range</option>
<option value="roll">perform modulus to keep within this range</option>
</select>
</div>
<div class="form-row">
<label for="node-input-round" style="width:200px;">Round to nearest integer ?</label>
<input type="checkbox" id="node-input-round" style="display: inline-block; width: auto; vertical-align: top;">
</div>
<br/>
<div class="form-row">
<label for="node-input-name"><i class="icon-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<div class="form-tips" id="node-tip">Tip: This node ONLY works with numbers.</div>
</script>
<script type="text/x-red" data-help-name="range">
<p>A simple function node to remap numeric input values to another scale.</p>
<p>Currently only does a linear scaling.</p>
<p><b>Note:</b> This only operates on <b>numbers</b>. Anything else will try to be made into a number and rejected if that fails.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('range', {
color: "#E2D96E",
category: 'function',
defaults: {
minin: {value:"",required:true,validate:RED.validators.number()},
maxin: {value:"",required:true,validate:RED.validators.number()},
minout: {value:"",required:true,validate:RED.validators.number()},
maxout: {value:"",required:true,validate:RED.validators.number()},
action: {value:"scale"},
round: {value:false},
name: {value:""}
},
inputs: 1,
outputs: 1,
icon: "range.png",
label: function() {
return this.name || "range";
},
labelStyle: function() {
return this.name ? "node_label_italic" : "";
}
});
</script>